/**
 * Copyright (c) 2003-2010, Xith3D Project Group all rights reserved.
 * 
 * Portions based on the Java3D interface, Copyright by Sun Microsystems. Many thanks to the developers of Java3D and Sun Microsystems for their
 * innovation and design.
 * 
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 * 
 * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * 
 * Neither the name of the 'Xith3D Project Group' nor the names of its contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) A RISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
 */
package pl.enigmatic.util;

/**
 * Interface for sparse matrices
 * 
 * :Id: SparseMatrixInterface.java,v 1.3 2003/02/24 00:13:51 wurp Exp $
 * 
 * :Log: SparseMatrixInterface.java,v $ Revision 1.3 2003/02/24 00:13:51 wurp Formatted all java code for cvs (strictSunConvention.xml)
 * 
 * Revision 1.2 2001/06/20 04:05:42 wurp added log4j.
 * 
 * Revision 1.1 2000/12/05 20:49:14 wizofid Committing new engine code
 * 
 * @author David Yazel
 */
public interface SparseMatrixInterface<T> {

	/**
	 * Inserts an object into the matrix at the coordinates specified.
	 */
	void insertAt(int x, int z, T obj);

	/**
	 * Remove the object at the specified location. If there is no object there then nothing happens.
	 */
	void removeAt(int x, int z);

	/**
	 * @return the object at the location specicied. If no object is there then null is returned;
	 */
	T elementAt(int x, int z);
}
